Roller-skate.



T. SPACIE.

ROLLER SKATE.

nrmonxon rum) AUG. 22, 1906.

939,45 1. Patented Nov. 9, 1909.

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THOMAS SPACIE, OF CHICAGO, ILLINOIS.

ROLLER-SKATE.

Specification of Letters Patent.

Application filed August 22,

To all whom it "may concern:

lie it known that I, THOMAS SPAGIE, a citizen of the United States, anda resident of thicago, in the county of Cook and State of Illinois, haveinvented certain new and useful Improvements in Roller-Skates, of whichthe following is a specification.

This invention relates to skate rollers.

The primary object of the invention is to provide a skate roller made.wholly or principally of sheet metal, preferably mild sheet steel, whichwill be simple in construction, strong, durable and relatively light inweight; which can be n'ianufactured at a relatively small cost; andwhich will be neat and ornamental in appearance. To effect these ends a.skate roller of my invention comprises the various features and detailsof construction. hereinafter described and claimed.

1n the accompanying drawing, in which my invention is fully illustrated,Figure 1 is a side view of my improved skate wheel. Fig. 2 is asectional view thereof on the line 22 of Fig. 1. Fig. 8 is a sectionalview, similar to Fig. 2, of a skate roller embodying my invention inmodified form.

The body portion of my improved skate roller, designated, a whole, by A,consists of two substantially symmetrical sections 1 and 2, stamped orpressed from suitable sheet metal of a thickness to afford requisitestrength, say one sixteenth of an inch.

Each of the sections 1 and 2 comprises a web consisting of a centralfiat portion 3 and an inclined portion 4 to which the tread of the wheelis secured. The central flat portions 3 of said webs are rovided withaxial openings 5 through which the axle of the wheel is adapted to passfreely and sur rounding said openings 5 are flanges 6 formed, as shown,by the metal stamped out in forming said openings 5.

The tread portion 7 of the roller is formed integral with one of theroller sections 1 or 2, as shown, with the section 1, by stamping orpressing the outer portion of the blank from which said section isformed into proper shape.

To form the body portion A of the roller, the sections 1 and 2 areplaced to ether with their flat portions 8 in contact and with theinclined portions 4 thereof diverging outwardly. The tread portion 7 ofthe section 1 is made of such width that when the sections 1 and 2 areassembled to form the Patented Nov. 9, 1909.

1908. Serial No. 449,769.

roller body A, the outer edge of said tread portion 7 will projectbeyond the outer face of the section 2 and the said sections 1 and L aresecured together to form a rigid structin-e by turning the edge of thetread portion T of the section 1 over the outer edge of the section 2,as clearly shown at 8.

In order to make the roller A as light as possible, holes or openings 9are preferably formed in the webs thereof, preferably in the inclinedportions l, said holes or openings being made as large as consistentwith requisite strength. Said holes or openings 9 will also impart anornamental finish to the wheel.

The body portion A of the roller is revolnbly mounted on the axle 10 bymeans of ball bearings, consisting, as shown in Fig. 2, of antifrictionballs 11, running in suitable ball races formed in cones l2 and cups 13and 14. The cones 12 are preferably made of tool steel, hardened, andare mounted directly on the body portion A of the roller concentrictherewith by means of axial holes or openings therethrough adapted toengage the flanges 6 on the )ody portion of the roller, being preferablytightly fitted thereto so as to be retained thereon by frictionalengagement therewith. The inner sides of the cones 12 are designed andadapted to bear against the flat portions 3 of the webs of the roller.

The ball cups 13 and 14: are mounted directly upon the axle 10concentric therewith, being provided with axial openings closely fittedthereto. To provide bearings of desired length for the said cups on saidaxle, they are preferably provided with flanges 15, which surround theholes or openings there in which receive said axle. Said flanges arepreferably formed of the metal stamped or pressed out in forming theaxial openings in said cups. The inner cup 13 bears against the skatetruck 16 or a washer interposed between said cap and skate truck and,preferably engages the same with a close sliding fit only. If desired,however, my invention contemplates screwtl1reading said cap 13 t0 theaxle. This construction is objectionable, however, for the reason thatit unnecessarily weakens the axle. The outer cup 14 is in screw-threadeden agement with the axle 10 and is adapted tome secured in any desiredadjustment thereon by means of a nut 17 threaded to said axle outside ofsaid cup 1 1,-

a washer 18 secured to the axle 10 against rotation, being preferablyinserted between said cup 11 and the nut 17. As shown, said washer issecured against rotation by correspondingly tlattening a side of theaxle 1t) and of the hole or opening through said washer, as shown atit), Fig. l.

Due to the arrangement shown and described, in which the cones of theball bearings are mounted on the wheel inside of the ball cups, saidball cups will prevent access of dirt and dust to the bearings, thusdispcnsing with separate dust caps and correspondingly simplifying andchcapening the construction.

1n Fig. 3 of the drawing, I have illustrated a modified form of mylll'lPlUVCtl roller, said modification relating particularly to theconstruction of the tread thereof and to the cones of the ball bearings.Iteferring now to said Fig. 3, A designates the body portion of theroller, 1 and 2 the sections thereof, 10 the axle, 13 and 14: the innerand outer ball cups, respectively, 16 the skate truck and 17 and 18,respectively, the lock nut and washer for securing the ball cup 14 uponthe axle 10, all of which are substantially identical in construction,function and operation with the corresponding parts of the roller shownin Figs. 1 and Q. As regards the tread portion of the roller, saidmodification consists in forming tread flanges 7 and T on the sections 1and 2 respectively, of the roller, the tread flange 7 being the same asthe tread flange 7, Figs. 1 and 2, and the tread flange 7 beingsufl'iciently smaller in diameter than the flange 7 to fit snugly insidethereof and being of such width that its edge which extends beneath theflange T will bear against the in nor side of the web portion of thesection 1 of the roller when assembled. The sections 1 and 2 are securedtogether to form a rigid structure by turning the outer edge of thetread flange? over the angular edge of the section 2 as shown at 8iVhile said modified form of roller will obviously be stronger than theroller shown in Figs. 1 and 2, particularly to withstand the stamping orpressing operation in turning over the edge 8 in securin the sections 1and 2 together, it will weigh slightly more. Furthermore it is believedthat said additional strength is superfluous and that the form of rollershown in Figs. 1 and 2 is suflicicntly strong for all practicalpurposes.

As regards the cones of the ball bearings, the modification shown inFig. 3 consists in forming said cones integral with the sections 1 and2, which can be conveniently efiected by making the flanges whichsurround the openings 5 in the sections 1 and 2 of said roller of propershape and size to form said cones as shown at 6 I aim 1. A skate rollercomprising a body portion consisting of two sections, each coniprisingaweb consisting ot a rentral flat portion and an outer inclined portion,and a tread portion formed integral with the web iii a section oi saidroller, said sections being arranged with their ilat web portions incontact and their inclined web portions outwardly divergent. and meansfor seeur ing the outer edge of the tread portion of the roller to theroller section other than that on which said tread portion is formed,the webs ot said roller sections being provided with central openingsadapted to receive the axle of the skate.

2. A skate roller t'zomprising a body por tion consisting of twosections, each comprising a web consisting of a central flat portion andan outer inclined portion, and a tread portion formed integral with theweb of one section of said roller, said sections being an ranged withtheir tlat' web portions in contact and their inclined web portionsoutwardly divergent, and means for securing the outer edge of the treadportion of the roller to the roller section other than that on whichsaid tread is formed, said means -.onsisting of an inwardly projectingflange on said tread portion with which the edge of said roller sectioninterlocks, the webs of said roller sections being provided with centralopenings adapted to receive the axle of the skate.

3. A skate roller comprising a body portion emisisting of two sections.each comprising a web consisting of a central flat portion and an outerinclined portion, a tread portion formed integral with the web of asection of said roller, said sections being arranged with their flat webportions in contact and their inclined web portions outwardly divergent,and means for securing the outer edge of the tread portion of the rollerto the roller section other than that on which said tread portion isformed, the webs of said roller sections being provided with centralopenings adapted to receive the axle of the skate and flanges on saidwebs, which surround said openings.

4. A skate roller comprising a body portion consisting of two sections,each comprising a web consisting of a central fiat portion and an outerinclined portion, a tread portion formed integral with the web of a.section of said roller, said sections being arranged with their flat webportions in contact and their inclined web portions ontwardly divergent,and means for securing the outer edge of the tread portion of the rollerto the roller section other than that on which said tread portion isformed, the webs of said roller sections being provided with central 0enings acla ted to receive the axle of the s ate and anges formedintegral with said webs which surround said openings.

portion, and an outer inclined portion, and

a tl'eadcportion termed integral with the web of a section of saidroller, said sections being arranged with. their fiat web portions incontact and their inclined web portions outwardly divergent, and meansfor securing the outer edge of. the tread portion of the roller to theroller section other than that on which said tread portion is formed,the webs of said roller sections being prorided with central openingsadapted to receive the axle of the skate, bearj igs,vflwhereby said 7roller is revoliibly mounted on said axle, said ball bearings comprisingbearing cones on said roller, ball cups mounted on said axle andanti-friction halls secured in ball races formed between said cones andcups.

(3. In a skate, the combination of the axle, a skate roller comprising abody portion consisting of two sections, each comprising a Webconsisting of a central flat portion and an outer inclined portion, anda tread portion formed integral with the web of a see tion of saidroller, said sections being arranged with their flat web portions incontact and their inclined web portions outwardly divergent, and meansfor securing the outer edge of the tread portion of the roller to theroller section other than that on which said tread portion is formed,the webs of said roller sections being provided with central openingsadapted to receive the axle of the skate, flanges formed integral withsaid webs which surround said open iugs, and ball bearings whereb saidroller is revolubl mounted on said axle, said ball bearings comprisingbearing cones mounted on the flanges surrounding the axial openings insaid wheel, ball cups mounted on said axle and anti-friction ballssecured in ball races formed between said cones and cups.

in testimony, that I claim the foregoing as my invention, l afiix mysignature in presence of two subscribing witnesses, this 19th day ofAugust, A. D. 1908.

THOMAS SPACTE.

\Vitnesses Louisn Hunnann, H. M. Brown.

